pop a splint
v. phr.— «The injury is in the area behind the knee, and is caused by too much stress on a bone that results in its outer covering becoming inflamed. In racing parlance, it’s called “popping a splint.”» —“Bellamy Road Hurt, Off Triple Crown Trail” in New York City ABC News May 10, 2005. (source: Double-Tongued Dictionary)
Further reading
What if, instead of being an inanimate object, a dictionary were alive? That’s the idea behind a lavishly illustrated new children’s book called The Dictionary Story (Bookshop|Amazon) by Oliver Jeffers and Sam Winston. This is part of a...
In the 15th century, the word respair meant “to have hope again.” Although this word fell out of use, it’s among dozens collected in a new book of soothing vocabulary for troubled times. Plus, baseball slang: If a batter...